425726720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10729}}^1$

素因数の和:10781

約数の個数: 72

約数和(自身を含む): 1052741760

約数和(自身を除く): 627015040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 10729, 19840, 21458, 39680, 42916, 53645, 85832, 107290, 171664, 214580, 332599, 343328, 429160, 665198, 686656, 858320, 1330396, 1373312, 1662995, 1716640, 2660792, 2746624, 3325990, 3433280, 5321584, 6651980, 6866560, 10643168, 13303960, 13733120, 21286336, 26607920, 42572672, 53215840, 85145344, 106431680, 212863360, 425726720]

約数ペア:

[(1, 425726720), (2, 212863360), (4, 106431680), (5, 85145344), (8, 53215840), (10, 42572672), (16, 26607920), (20, 21286336), (31, 13733120), (32, 13303960), (40, 10643168), (62, 6866560), (64, 6651980), (80, 5321584), (124, 3433280), (128, 3325990), (155, 2746624), (160, 2660792), (248, 1716640), (256, 1662995), (310, 1373312), (320, 1330396), (496, 858320), (620, 686656), (640, 665198), (992, 429160), (1240, 343328), (1280, 332599), (1984, 214580), (2480, 171664), (3968, 107290), (4960, 85832), (7936, 53645), (9920, 42916), (10729, 39680), (19840, 21458)]